GW Instek APS-7000 Series - REAR PANEL SIGNAL OUTPUTS; J1 Connector Overview; Signal Output Overview; SYNC Output Overview

REMOTE CONTROL
149
Error Code
Description
-400 Query error
This is the generic query error for devices that
cannot detect more specific errors. This code
indicates only that a Query Error as defined in
IEEE 488.2, 11.5.1.1.7 and 6.3 has occurred.